Fonseca, 18, pulls upset in Aussie Open debut

Ascendant Joao Fonseca, 18, of Brazil, beat No. 9 seed Andrey Rublev in straight sets in the first round at the Australian Open on Tuesday.

Fonseca, 18, pulls upset in Aussie Open debut
Ascendant Joao Fonseca, 18, of Brazil, beat No. 9 seed Andrey Rublev in straight sets in the first round at the Australian Open on Tuesday.